To edit a device (e.g. testWiki device that is created in Device registration) user should follow next steps.
First user should select from filters the right filter combination which was selected in the creation of a device, in example which was Enabler -> City , Context -> Test and Category -> Environment, Issues, Waste (which is automatically filled after Enabler and Context are selected). After that, user can see testWiki device shown as a result of this filter combination. It's necessary to click on "Open device details" button to open a window for editing device
After device details window is open user should click on a drop-down button to get an option for "Edit device"
User should click on "Edit" to open a new page for editing device
In the edit page the user will be able to change/add/remove some details about the device (but not all).